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Lot 133. 10.06 carats Mozambican 'Pigeon Blood' ruby and diamond ring. Estimate HHK$2,000,000 - 3,000,000 (US$256,000 - 385,000)Unsold. © Tiancheng International.

Centring on a cushion-shaped ruby weighing 10.06 carats, to a stylised basket decorated with brilliant-cut diamonds together weighing approximately 2.20 carats, mounted in 18 karat white gold. Ring size: 6½.

Accompanied by GRS report numbered GRS2017-038327, dated 3 March 2017, stating that the 10.06 carat ruby is natural, Vivid Red (GRS type "Pigeon's Blood") colour, of Mozambican origin, with no indication of thermal treatment.
MOZAMBICAN RUBY
Rubies, a naturally red variety of the mineral corundum, are one of the rarest gemstones on Earth. Since their discovery, the finest rubies have been sought after by royal families and worn by kings and aristocrats alike.

Ever since high quality rubies were found in Montepuez, Mozambique in 2009, the country has become an important source of rubies for the world market.

What makes the Mozambican rubies so special is that they are known for their beautiful and vibrant colour. Since the discovery of rubies in the mines of Mozambique several years ago, the mine has been receiving steadily increasing popularity ever since. Furthermore, the Mozambique mines are the only mines competent to Mogok, the ancient Burmese mine that has been accepted worldwide of its rubies’ legendary qualities.

Tiancheng International. HONG KONG SPRING AUCTION, Jewellery and Jadeite, 29 May · 1 pm